I7-4790k temps high?

[mypcisaspaceheater]

I am using a i7-4790k and a hyper 212 evo to cool it. My idle was 40c but with some messing around i got it to 30c, once i put it under load the temps spike quickly. I have dont a prime 95 stress test but i ended it immediately due to my cpu hitting 100c fast, my ambient temperatures vary due to it being a room with poor circulation, i will move it in a day. Any ideas? I am running at stock speeds and playing warframe with max settings puts my cpu temp to 65c max. Will this be a problem later on? I am looking to play day z and battlefield.
Build"
Case:corsair 230t
Graphics: evga 970 ssc
Cpu: i7-4790k
Ram: 16 gb corsair vengeance pro
Mobo: z97-a
Psu: evga 650w gold plus

I am also having a problem where i have to turn my pc on using the power button on the mobo but im pretty sure this is an error on my part and will check soon

 

[CompuTronix]

mypcisaspaceheater,

Welcome to Tom's!

Please read this Tom’s Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

The answers to your questions are in Section 12.

Do NOT use any versions of Prime95 later than 26.6: Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Thanks,

CT

 

[nathanstrainrocks]

Your thermal paste may have dried up.

 

[mypcisaspaceheater]

I dont see how it would have dried up? It is supposed to cure. A friend put the hsf on without removing the film but we took the film off right away and a small pea size amount was left

 

[mypcisaspaceheater]

I have decided to look at the temps tomorrow when i will move my pc to a cooler room. I have been playing pay day 2 and csgo max settings while having many programs such as spotify and skype open without having temp spikes above 70, if i contiue to have problems i will get an extra 120mm case fan. What is a safe program to bench mark with

 

[nathanstrainrocks]

Ok hope it works if it does not make sure to post it here.

 

[mypcisaspaceheater]

Ok hope it works if it does not make sure to post it here.

i replugged in the power_sw and reset button, neither buttons are working still however the hdd light works and the power button light works. I am now worried that the power switch will be a problem later on, seeing as i have to take my side panel off to turn it on.

my cpu temps are hovering around 35c at 10% load but they are cooling off because i have closed some programs. it has not been a problem yet and the sensor test on realtemp no longer spikes my temps to 90 but now what seems a steady 75C ill post more later

 

[nathanstrainrocks]

I would say to reapply the thermal paste.

 

[mypcisaspaceheater]

Is it normal for temps to spike very fast under load? or could it be the thermal paste?

 

[CompuTronix]

Is it normal for temps to spike very fast under load?

Yes, it's completely normal. Core temperatures respond instantly to changes in load. Intel's specification is 256 milliseconds, which is about 1/4 of a second.

 

[mypcisaspaceheater]

mypcisaspaceheater,

Welcome to Tom's!

Please read this Tom’s Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

The answers to your questions are in Section 12.

Do NOT use any versions of Prime95 later than 26.6: Prime95 version 26.6 - http://windows-downloads-center.blogspot.com/2011/04/prime95-266.html

Thanks,

CT

Thank you! i ran the version of prime95 and under full load using the small fft's test i had temps around mid 80s, somtimes spiked to 90 but never stayed there! i know it is still bad but now i dont have to worry about my pc hitting 100c anymore. I will invest in another case fan but tell me what you think about the temps. (91c maximum, 90c, 89c, 85c) were the temps. i did not run it for a while because im still hesitant to let my computer run at that temp. i let it run until it looked like it grew stable. the temps spiked to the temps i listed then all cooled to almost mid 80s. i dont know if it will have affected it but i have 8 tabs of google chrome open, razer synapse, steam, skype, and realtemps and two file explorers open while testing.

 

[CompuTronix]

If you read the Temperature Guide, then you know your Core temperatures are still too high.

At 22C Standard Ambient, here's the typical operating range for Core temperature:

80C Hot
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

What was your ambient temperature when you ran Prime95 v26.6 Small FFT's?

 

[mypcisaspaceheater]

If you read the Temperature Guide, then you know your Core temperatures are still too high.

At 22C Standard Ambient, here's the typical operating range for Core temperature:

80C Hot
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

What was your ambient temperature when you ran Prime95 v26.6 Small FFT's?

i did read the article i just am in denial. i just ran another prime95 now that im in the desired room, i spiked to the 90s in about a second or so, my cooler then kicked in and cooled it down to high 80s which degraded into low 80s somewhat high 70s. this is much better than before and my ambient temperature is about 25c maybe 26c due to it being summer and being in the south. the temps should hopefully cool off in my house but for now i got a max temp spike of 92c on the test, one temp shows as 85c, and is often lower than the others. is it normal to have one part of the cpu be cooler?

I already stated this but im using reatemp which shows 4 temps, which im sure are the cores. is this the temps you would use for comparison or would you use the total CPU temp.
sorry first build and i get nervous

 

[CompuTronix]

The individual core temperatures are valid ... and yes, it's normal to have differing core temperatures.

Intel's specification for deviations in core temperature sensor accuracy is +/- 5C. This means there may be 10C between the highest and lowest Cores.

If you're running your Vcore in auto, you should set it to manual (fixed) or adaptive.

Here's a good Guide: 3 Step Guide to Overclock Your i7 / i5 Haswell Platform - http://www.overclockers.com/3step-guide-to-overclock-intel-haswell/

Pay particular attention to the section named "Letting Your CPU Breathe".

CT

 

[mypcisaspaceheater]

The individual core temperatures are valid ... and yes, it's normal to have differing core temperatures.

Intel's specification for deviations in core temperature sensor accuracy is +/- 5C. This means there may be 10C between the highest and lowest Cores.

If you're running your Vcore in auto, you should set it to manual (fixed) or adaptive.

Here's a good Guide: 3 Step Guide to Overclock Your i7 / i5 Haswell Platform - http://www.overclockers.com/3step-guide-to-overclock-intel-haswell/

Pay particular attention to the section named "Letting Your CPU Breathe".

CT

i have not tried overclocking and dont really wish too, but i will read more on the article. should i set my voltage to adaptive even without oc?

i also have xmp disabled if that matters

 

[CompuTronix]

Yes, XMP disabled usually helps to lower temperatures.

I understand that you don't care to overclock, however, the article discusses different core voltage settings in BIOS. The idea is not to use auto Vcore, because it typically supplies significantly more voltage than the processor actually needs to remain stable, which increases temperatures.

You need to experiment with other settings in order to find the threshold at which the processor will remain stable during stress testing, which will be a lower voltage than auto, by as much as 50 to 75 millivolts (0.050 to 0.075). This will in turn result in dramatically reducing your core temperatures.

This is exactly what is done during overclocking, except that the clock frequency is increased during each test run. In your instance, you'll only be adjusting core voltage.

Repeat the Prime95 v26.6 Small FFT's test while running Real Temp and CPU-Z. Read the "Core Voltage" in CPU-Z, then start adjusting it down in BIOS by 0.020 increments while using manual settings. A blue screen means the voltage is too low. Bring it back up by the same amount then retest. You can fine-tune it from there.

It's simply a process of elimination ... test, adjust, test, adjust, etc. It just takes time and patience, but you'll eventually achieve the lowest stable core voltage, and your lowest 100% workload core temperatures. Once there, you can switch it to adaptive and retest. Use the overclocking guide to read up on it.

 

[mypcisaspaceheater]

Yes, XMP disabled usually helps to lower temperatures.

I understand that you don't care to overclock, however, the article discusses different core voltage settings in BIOS. The idea is not to use auto Vcore, because it typically supplies significantly more voltage than the processor actually needs to remain stable, which increases temperatures.

You need to experiment with other settings in order to find the threshold at which the processor will remain stable during stress testing, which will be a lower voltage than auto, by as much as 50 to 75 millivolts (0.050 to 0.075). This will in turn result in dramatically reducing your core temperatures.

This is exactly what is done during overclocking, except that the clock frequency is increased during each test run. In your instance, you'll only be adjusting core voltage.

Repeat the Prime95 v26.6 Small FFT's test while running Real Temp and CPU-Z. Read the "Core Voltage" in CPU-Z, then start adjusting it down in BIOS by 0.020 increments while using manual settings. A blue screen means the voltage is too low. Bring it back up by the same amount then retest. You can fine-tune it from there.

It's simply a process of elimination ... test, adjust, test, adjust, etc. It just takes time and patience, but you'll eventually achieve the lowest stable core voltage, and your lowest 100% workload core temperatures. Once there, you can switch it to adaptive and retest. Use the overclocking guide to read up on it.

Ok and how long should i stress test to see how stable it is? also the voltage in cpu-z fluctates what voltage should i be looking for?

 

[CompuTronix]

No more than 20 minutes per iteration. The voltage in CPU-Z should be fairly constant during Small FFT's because it's a steady-state workload. You should be looking for less than 1.250 volts, or more typically less than 1.200.

No two processors are identical ... each is unique in it's voltage tolerance and thermal behavior.

Remember that a 4790K is basically a factory overclocked 4770K ... the base and turbo boost clocks are higher, as well as the core voltages.

 

[mypcisaspaceheater]

No more than 20 minutes per iteration. The voltage in CPU-Z should be fairly constant during Small FFT's because it's a steady-state workload. You should be looking for less than 1.250 volts, or more typically less than 1.200.

No two processors are identical ... each is unique in it's voltage tolerance and thermal behavior.

Remember that a 4790K is basically a factory overclocked 4770K ... the base and turbo boost clocks are higher, as well as the core voltages.

Ok i will have to do this tomorrow, i went to the bios and found the cpu core voltage and if i put it in manual mode it wants me to enter in a voltage, what is the overall goal of this? to find the lowest voltage i can stress test at? and i also found a dram frequency which i set to 1866mhz due to my ram being rated 1866mhz but running 1333 because of xmp being disabled.

 

[CompuTronix]

The goal is to minimize your core temperatures. Voltage very closely affects core temperatures.

Also, the i7 4790K only supports up to 1600MHz memory. Higher settings force the memory controller onboard the processor into a memory overclock, which can adversely affect temperatures.

You can temporarily set your memory to 1600MHz until you get your core voltage and temperatures minimized.

 

[mypcisaspaceheater]

The goal is to minimize your core temperatures. Voltage very closely affects core temperatures.

Also, the i7 4790K only supports up to 1600MHz memory. Higher settings force the memory controller onboard the processor into a memory overclock, which can adversely affect temperatures.

You can temporarily set your memory to 1600MHz until you get your core voltage and temperatures minimized.

Ok, I will have to do this soon, running the prime95 test will put my temps around the 90s, is that fine for the 20 mins of testing? Also why do I "temporarily" set the dram to 1600 and not permanently

Also when I find the new voltage what would I set the min to in adaptive

Is there an easier way to reduce the voltages without entering the bios? I have to restart to the bios every time

 

[CompuTronix]

(1) Make a voltage reduction of 0.020 before you begin so your core temperatures are lower.

(2) Set your memory to 1600MHz permanently if you like.

(3) BIOS is the proper way to change voltage settings.

(4) Yes, you have to restart every time ... so do the rest of us.

Sorry, but I don't have enough time to give you step-by-step instructions. You need to read until you understand what you're doing, and why.

I can't help you any further. Hopefully someone else will step in.

Good luck.

CT

 

[mypcisaspaceheater]

(1) Make a voltage reduction of 0.020 before you begin so your core temperatures are lower.

(2) Set your memory to 1600MHz permanently if you like.

(3) BIOS is the proper way to change voltage settings.

(4) Yes, you have to restart every time ... so do the rest of us.

Sorry, but I don't have enough time to give you step-by-step instructions. You need to read until you understand what you're doing, and why.

I can't help you any further. Hopefully someone else will step in.

Good luck.

CT

Ok thanks for the help! i will try undervolting soon, hopefully all goes well!

UPDATE: i just ran a stress test now that it is in the morning and my room is desired temps almost. i got a temp max of 86c but this was before the coolers spun around to speed. it started to stick around 80c after a few seconds and stayed there for a few minutes while i ran the test. i need asistance in lowering the volts due to the fact that cpu-z showed my core voltage as 1.078v and it stayed around that however a few spikes to 1.2v? what should i lower it to?